\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Casualty Results (Two Region Strategy: Bajaur)\label{tab:cas2baj}}
\begin{tabular}{l*{4}{c}}
\hline\hline
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                    &\multicolumn{1}{c}{Casualties}&\multicolumn{1}{c}{Casualties}&\multicolumn{1}{c}{Casualties}&\multicolumn{1}{c}{Casualties}\\
\hline
treat\(\cdot\)nwa   &      -3.311       &      -7.862\sym{*}&      -7.074\sym{*}&      -9.437\sym{*}\\
                    &     (1.564)       &     (2.244)       &     (1.894)       &     (2.521)       \\
[1em]
MO                  &                   &                   &       5.813       &                   \\
                    &                   &                   &     (2.783)       &                   \\
[1em]
Peace               &                   &                   &      -0.704       &                   \\
                    &                   &                   &     (0.380)       &                   \\
[1em]
Obamareview         &                   &                   &           0       &           0       \\
                    &                   &                   &         (.)       &         (.)       \\
[1em]
Haqqani             &                   &                   &      -2.002       &      -1.104       \\
                    &                   &                   &     (0.996)       &     (0.857)       \\
\hline
Observations        &        1712       &        1712       &        1712       &        1712       \\
WB p-value          &      0.0820       &     0.00400       &     0.00400       &     0.00400       \\
Year FE             &           X       &           X       &           X       &           X       \\
Tehsil FE           &           X       &           X       &           X       &           X       \\
Time Trends         &                   &           X       &           X       &           X       \\
Controls            &                   &                   &           X       &           X       \\
Hetero. Ctrls       &                   &                   &                   &           X       \\
\hline\hline
\multicolumn{5}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{5}{l}{\footnotesize \sym{*} \(p<0.05\)}\\
\end{tabular}
\end{table}
